.hh{
    width: 100%;
    height: 290px;
    background-color: black;
    
}
.xx{
    position: fixed;
    z-index: 9999;
    margin-top: -120px;
    left: 70px;
}
.xh{
    position: absolute;
    z-index: 9999;
    margin-top: -240px;
    left: 380px;
}